#include<iostream>
#include<vector>
#include<queue>
#include<cstring>
#include<cmath>
#include<map>
#include<set>
#include<cstdio>
#include<algorithm>
#define debug(a) cout<<#a<<"="<<a<<endl;
using namespace std;
const int maxn=1e5;
typedef long long LL;
inline LL read(){LL x=0,f=1;char ch=getchar();	while (!isdigit(ch)){if (ch=='-') f=-1;ch=getchar();}while (isdigit(ch)){x=x*10+ch-48;ch=getchar();}
return x*f;}
int main(void)
{
  cin.tie(0);std::ios::sync_with_stdio(false);
  LL t;cin>>t;
  while(t--){
    LL r,b,k;cin>>r>>b>>k;
    if(r>b) swap(r,b);
    if(r==b){
        cout<<"OBEY"<<"\n";
    }
    else{
        LL cnt=1+(b-1-__gcd(r,b))/r;
        if(cnt<k){
            cout<<"OBEY"<<"\n";
        }
        else cout<<"REBEL"<<"\n";
    }
  }
return 0;
}
